/ Dictionary / Index E e-neutrino: Meaning and Definition of Find definitions for: e-neu•tri•no Pronunciation: (ē'n-trē"nō, ē'ny-), [key] — pl. -nos. electron-neutrino. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Enesco enface Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language